Notebook TERRA MOBILE 1541H
Hi all members, I'm Antonio and I write my first post from Italy. I will explain my problem: I have a notebbok TERRA MOBILE 1541H with cpu i7 4712mq with motherboard Clevo 6-71-W2W50-D02 which, when switched on,black screen. has start LED on, working CD-DVD, hard disk that can be heard spinning, fan stopped and CPU which naturally heats up. So what's the problem? Corrupted bios or burnt motherboard?
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Re: Notebook TERRA MOBILE 1541H
Open the Laptop, visual inspection, Voltage at all coils present? If yes, I'd indeed start with BIOS Firmware. -
Re: Notebook TERRA MOBILE 1541H
Ok. Thanks for the reply. As soon as I have free time check.Comment
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Re: Notebook TERRA MOBILE 1541H
I don't know if it may be useful, but i attach the service manual of a similar models.Comment
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Re: Notebook TERRA MOBILE 1541H
This is photo motherboard . On the two chips near the PCH there are just a few numbers and that's it.Attached FilesComment
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Re: Notebook TERRA MOBILE 1541H
check these two chips, there should be the name of them on the pcb.
If they correspond to U15 and U16 then they are Main bios and EC.
Even if the name doesn't mach the schematics, try to check with a microscope or a magnifier the code over the top so you can identify what is it.Attached FilesLast edited by speggio91; 11-20-2021, 07:39 AM.Comment
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Re: Notebook TERRA MOBILE 1541H
The abbreviation on the one highlighted is 2940S - A
423QB
the other has the initials 20N03
3M01Attached FilesComment
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Re: Notebook TERRA MOBILE 1541H
https://www.alldatasheet.com/datashe.../EN25QH64.html
https://www.alldatasheet.com/datashe.../EN25QH32.htmlComment
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Re: Notebook TERRA MOBILE 1541H
I found these on the EN25QH32 manual
EN25QH64Comment
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Re: Notebook TERRA MOBILE 1541H
only these two are 8-pinComment
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Re: Notebook TERRA MOBILE 1541H
only these two are 8 pinAttached FilesComment
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Re: Notebook TERRA MOBILE 1541H
Here are the pictures you asked forAttached FilesComment
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Re: Notebook TERRA MOBILE 1541H
This is pictures of the chips on the motherboardAttached FilesComment
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Re: Notebook TERRA MOBILE 1541H
With the phone they do not come well, this is the same as the card that is in my possessionAttached FilesComment
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Re: Notebook TERRA MOBILE 1541H
I think these are betterAttached FilesComment
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Re: Notebook TERRA MOBILE 1541H
These in the photo are the only 8-pin chips that could contain the biosComment
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